Binder spine



FIG. 1 is a side elevational view of the binder spine formed in accordance with the present invention as shown from the left side thereof, the right side being a mirror image thereof;

FIG. 2 is an enlarged end elevational view thereof from a left end, the right end being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is an enlarged perspective view of an upper end portion thereof with the binder spine holding a stack of sheets as shown in broken lines.

The broken lines showing the stack of sheets is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a binder spine, as shown and described. 